74901992 has 16 divisors (see below), whose sum is σ = 153208800. Its totient is φ = 34046320.

The previous prime is 74901989. The next prime is 74902027. The reversal of 74901992 is 29910947.

It is a happy number.

It is a super-2 number, since 2×74901992² = 11220616811136128, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 425492 + ... + 425667.

It is an arithmetic number, because the mean of its divisors is an integer number (9575550).

Almost surely, 2^74901992 is an apocalyptic number.

It is an amenable number.

74901992 is an abundant number, since it is smaller than the sum of its proper divisors (78306808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74901992 is a wasteful number, since it uses less digits than its factorization.

74901992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851176 (or 851172 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 41.

The square root of 74901992 is about 8654.5936935248. The cubic root of 74901992 is about 421.5325566905.

The spelling of 74901992 in words is "seventy-four million, nine hundred one thousand, nine hundred ninety-two".